/*=====================================================================*
 *                   Copyright (C) 2011 Paul Mineiro                   *
 * All rights reserved.                                                *
 *                                                                     *
 * Redistribution and use in source and binary forms, with             *
 * or without modification, are permitted provided that the            *
 * following conditions are met:                                       *
 *                                                                     *
 *     * Redistributions of source code must retain the                *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer.                                       *
 *                                                                     *
 *     * Redistributions in binary form must reproduce the             *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer in the documentation and/or            *
 *     other materials provided with the distribution.                 *
 *                                                                     *
 *     * Neither the name of Paul Mineiro nor the names                *
 *     of other contributors may be used to endorse or promote         *
 *     products derived from this software without specific            *
 *     prior written permission.                                       *
 *                                                                     *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND              *
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,         *
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES               *
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE             *
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER               *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,                 *
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES            *
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE           *
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR                *
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF          *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           *
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY              *
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE             *
 * POSSIBILITY OF SUCH DAMAGE.                                         *
 *                                                                     *
 * Contact: Paul Mineiro <paul@mineiro.com>                            *
 *=====================================================================*/

#ifndef __DATA_H__
#define __DATA_H__

#include "distribution.h"
#include "rating.h"
#include <stdio.h>

typedef struct _Data Data;
struct _Data 
{
  float*                                loga;
  unsigned int                          n_workers;
  unsigned int                          rank;
  float*                                gamma;
  float*                                logbeta;
  unsigned int                          n_images;
  float*                                c;
  unsigned int                          n_labels;
  float*                                d;
  float*                                pz;
  float*                                priorz;
  int*                                  clamp;
  unsigned int                          n_clamp;
  Rating*                               ratings;
  unsigned int                          n_ratings;
  ParameterizedNormalDistribution       priorloga;
  NormalDistribution                    priorgamma;
  NormalDistribution                    priorlogbeta;
  NormalDistribution                    priorc;
  NormalDistribution                    priord;
};

int
read_data (FILE*        fp,
           Data*        data,
           unsigned int rank);

int
read_clamp (FILE*       fp,
            Data*       data);

int
print_data (FILE*       fp,
            const Data* data);

int
print_clamp (FILE*       fp,
             const Data* data);

void
data_destruct (Data* data);

#endif /* __DATA_H__ */
